DB41∕T 1678-2018 空心板桥横向预应力加固技术规程.pdf

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1、ICS93.040P66DB41河南省地方标准DB41/T1678—2018空心板桥横向预应力加固技术规程2018-09-29发布2018-12-29实施河南省地方标准公共服务平台河南省质量技术监督局发布DB41/T1678—2018目次前言................................................................................II1范围.........................................................................

2、.....12规范性引用文件....................................................................13术语和定义........................................................................14总则..............................................................................25材料................................

3、..............................................25.1混凝土........................................................................25.2钢材..........................................................................25.3其他....................................................................

4、......26加固设计..........................................................................36.1一般规定......................................................................36.2横向预应力筋布置..............................................................36.3横向预应力设计..............................

5、..................................36.4锚固块设计....................................................................37构造与防腐........................................................................47.1锚固构造......................................................................47.2防腐.....

6、.....................................................................58施工工艺..........................................................................58.1施工准备......................................................................58.2铰缝处理............................................

7、..........................58.3锚固块安装....................................................................58.4预应力筋安装..................................................................58.5预应力筋张拉..................................................................59验收与养护.................

8、...............................................